Sony CMT-M373NT / HCD-M373 Service Manual ▷ View online
8
HCD-M373
Items of Error History Mode Items and Contents
Display
op rec tm
op play tm
spdl rp tm
retry err
total err
err history
retry adrs
er refresh
tm refresh
op change
spdl change
History
Displays the accumulated recording time.
When the accumulated recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
The display time indicates the time when the laser is set to high power more, which is about 1/4 of the actual
recording time.
When the accumulated recording time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
The display time indicates the time when the laser is set to high power more, which is about 1/4 of the actual
recording time.
Displays the accumulated playback time.
When the accumulated playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
When the accumulated playback time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
Displays the accumulated rotating time of the spindle motor.
When the accumulated rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
When the accumulated rotating time is more than 1 minute, displays the hour and minute
When less than 1 minute, displays “Under 1 min”
Displays the accumulated number of retry errors during recording and playback
Displays “r
Displays “r
p
”.
after “r” is the number of errors during recording.
after “p” is the number of errors
during playback.
This is displayed in hexadecimal from 00 to FF.
This is displayed in hexadecimal from 00 to FF.
Displays the total number of errors
Displays “total
Displays “total
”. This is displayed in hexadecimal from 00 to FF.
Displays the past ten errors.
Displays “0X ErrCd@@”.
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the
error code.
Select the error history number by pressing the
Displays “0X ErrCd@@”.
X is the history number. The younger the number, the more recent is the history (00 is the latest). @@ is the
error code.
Select the error history number by pressing the
.
“R” or
>
“R” button.
Displays the past five retry addresses.
Displays “
Displays “
ADRS
”,
is the history number,
is the cluster with the retry error.
Select the error history number by pressing the
.
“R” or
>
“R” button.
Mode for erasing the error and retry address histories.
Procedure
1. Press the TIMER SET “R” button when displayed as “er refresh”.
2. When the display changes to “er refresh?”, press the ENTER/YES “R” button
When “Complete!!” is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.
Procedure
1. Press the TIMER SET “R” button when displayed as “er refresh”.
2. When the display changes to “er refresh?”, press the ENTER/YES “R” button
When “Complete!!” is displayed, it means erasure has completed.
Be sure to check the following after executing this mode.
*Data has been erased.
*Perform recording and playback, and check that the mechanism is normal.
Mode for erasing the accumulated recording time and accumulated playing time.
Procedure
1. Press the TIMER SET “R” button when displayed as “tm refresh”.
2. When the display changes to “tm refresh?”, press the ENTER/YES “R” button.
When “Complete!” is displayed, it means erasure has completed.
Procedure
1. Press the TIMER SET “R” button when displayed as “tm refresh”.
2. When the display changes to “tm refresh?”, press the ENTER/YES “R” button.
When “Complete!” is displayed, it means erasure has completed.
Mode for erasing the accumulated time of op rec tm, op play tm.
Use these histories as a guide line for the time of replacement of the optical pick-up. If the optical pick-up
has been replaced, perform this procedure and erase the past history.
Procedure
1. Press the TIMER SET “R” button when displayed as “op change”.
2. When the display changes to “op change?”, press the ENTER/YES “R” button.
When “Complete!” is displayed, it means erasure has completed.
Use these histories as a guide line for the time of replacement of the optical pick-up. If the optical pick-up
has been replaced, perform this procedure and erase the past history.
Procedure
1. Press the TIMER SET “R” button when displayed as “op change”.
2. When the display changes to “op change?”, press the ENTER/YES “R” button.
When “Complete!” is displayed, it means erasure has completed.
Mode for erasing the accumulated spdl rp tm time.
Use these histories as the guide line for the time of replacement of the spindle motor. If the spindle motor has
been replaced, perform this procedure and erase the past history.
Procedure
1. Press the TIMER SET “R” button when displayed as “spdl change”
2. When the display changes to “spdl change?”, press the ENTER/YES “R” button.
When “Complete!” is displayed, it means erasure has completed.
Use these histories as the guide line for the time of replacement of the spindle motor. If the spindle motor has
been replaced, perform this procedure and erase the past history.
Procedure
1. Press the TIMER SET “R” button when displayed as “spdl change”
2. When the display changes to “spdl change?”, press the ENTER/YES “R” button.
When “Complete!” is displayed, it means erasure has completed.
9
HCD-M373
Table of Error Codes
Error Code
Description
10
11
12
20
21
22
23
24
30
31
40
41
42
43
50
51
Could not perform loading
The changer error occurred
Loading switches combined incorrectly
Timed out without reading the top of PTOC
Could read top of PTOC, but detected error
Timed out without accessing UTOC
Timed out without reading UTOC
Error in UTOC
Could not start playback
Error in sector
A cause of retry occurred during normal recording
Retried due to DRAM overflow
Retry occurred during TOC writing
Retry aborted during S.F editing
Other than access processing, and could not read address.
Focus NG occurred and overran.
10
HCD-M373
SECTION 1
SERVICING NOTE
Disc Tray Lock
The disc tray lock function for the antitheft of a demonstration disc in the store is equipped.
Procedure:
1.
Procedure:
1.
Press the ?/1 button to turn the set on.
2.
Select the function “CD”.
3.
A disc is put in and a tray is closed.
4.
Press two buttons of x and Z (CD) simultaneously for five seconds.
5.
The message “LOCKED” is displayed and the tray is locked. (Even if turning power on/off, the tray is still locked.)
6.
Press two buttons of x and Z (CD) simultaneously for five seconds again.
7.
The message “UNLOCKED” is displayed and the tray is unlocked.
Service Position-1 (Checking TC Section)
Note 1:
About “R”
As this unit has only a few buttons, some operations require the use of remote commander (RM-SM100EW/provided with unit) buttons. These
operations are indicated as “R” in this manual.
Example: MENU/NO “R” ...Press the MENU/NO button of the remote commander.
As this unit has only a few buttons, some operations require the use of remote commander (RM-SM100EW/provided with unit) buttons. These
operations are indicated as “R” in this manual.
Example: MENU/NO “R” ...Press the MENU/NO button of the remote commander.
Note 2:
Incorrect operations may be performed if the test mode is not entered properly.
In this case, press the ?/1 button to turn the power off, and retry to enter the test mode.
In this case, press the ?/1 button to turn the power off, and retry to enter the test mode.
Note 3:
If the disc tray does not open and the message “LOCKED” appears, press the two buttons of
x
and Z (CD) at the same for
5 seconds or longer.
Then the lock is released, the message “UNLOCKED” appears for 2 seconds and the disc tray opens.
Then the lock is released, the message “UNLOCKED” appears for 2 seconds and the disc tray opens.
MAIN BOARD
TC BOARD
cassette mechanism deck
(CMAL1Z-236A)
(CMAL1Z-236A)
11
HCD-M373
Service Position-2 (Checking CD Mechanism and MD Mechanism Section)
Service Position-3 (Checking Power Supply Section)
Connect the POWER board (CN985) and the AMP board (CN805) with the extension cable (6P)(J-2501-229-A).
MAIN BOARD
DIGITAL BOARD
MD mechanism deck section
(MDM-7S2D)
(MDM-7S2D)
CD mechanism deck section
(CDM55A-30BBD61B)
(CDM55A-30BBD61B)
MAIN BOARD
POWER BOARD
jig (6P) (J-2501-229-A)
AMP BOARD
REG BOARD
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